Invalid Regex Flag x

[yishayw]

•                           var regex : RegExp = /[\s*]+/gx;
  

•                           var regex : RegExp = /[\s*]+/g;
  

The x flag is legal in AS3 but not in js, so the first line should probably yield be a compile time error.

[Harbs]

I thought I remember the x is rewritten?

[yishayw]

Not in what I saw... I'll try to come up with a test case when I find the time.

[estanglerbm]

new RegExp("a | b", "gx")

produces this runtime error:

Uncaught SyntaxError: invalid regular expression flag x

The x is extended syntax, to allow spaces to be in the expression for readability purposes. The spaces are ignored, unless preceded by a backslash (\).